-[BUG] fixed booleans in sqlite (thanks to alexstrat)
-[BUG] fixed forced sync of many-to-many associations (thanks to SirUli)
-[FEATURE] objects are now compatible JSON.stringify. (thanks to grayt0r)
-[FEATURE] When instantiating the sequelize object, you can now pass a function to logging. This allows you to customize the logging behavior. Default is now: console.log
# v1.3.7 #
-[BUG] fixed issue where multiple belongsTo or hasOne associations to the same table overwrite each other
